Side by side

Sugess MoonPhase Master S437vsFormex Reef 42 mm

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

MoonPhase Master S437
SugessMoonPhase Master S437
MSRP $549
Reef 42 mm
FormexReef 42 mm
MSRP $2,414
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sugess MoonPhase Master S437

Owners widely praise the Sugess MoonPhase Master S437 for its striking dial, often described as deep blue or aventurine, and its value, with prices around $171-$175. The Seagull ST1908 movement is noted as accurate, with one owner reporting +3 seconds over 18 hours and another +7 seconds daily, and its hand-winding action is smooth. However, the watch's thickness, potentially over 13mm, is a concern for some as a dress watch, and the long lugs may pose a fit issue on smaller wrists. A potential design flaw in the moonphase window, showing two phases simultaneously, is flagged as a deal-breaker by some. The included leather straps are considered stiff and uncomfortable, and the domed sapphire crystal lacks AR coating, leading to reflections. On balance, owners rate the Sugess MoonPhase Master S437 highly for its stunning dial and value, despite some fit and finishing concerns.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

At a glance

13 of 29 specs differ
Diameter
MoonPhase Master S43740mm
Reef 42 mm42mm
Power Reserve
MoonPhase Master S43748h
Reef 42 mm56h
Water Resistance
MoonPhase Master S43750m
Reef 42 mm300m
MSRP
MoonPhase Master S437$549
Reef 42 mm$2,414

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
40mm
42mm
Thickness
13.5mm
11.4mm
Lug-to-Lug
47.8mm
47mm
Material
Stainless Steel/Rose Gold
Stainless Steel
Water Resistance
50m
300m
Caseback
Display
Solid

Crystal & Dial

2 specs
Dial Color
White
Black
Lume
X1
Super-LumiNova

Movement

3 specs
Caliber
ST2528
Sellita SW300-1
Power Reserve
48h
56h
Complications
Moonphase, Date
None

Pricing

1 specs
MSRP
$549
$2,414
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